Perhaps you should try some spelling variations:
"phuc trong 1 snippets" » "thuc trong 1 snippets", "chuc trong 1 snippets", "thuoc trong 1 snippets", "phuc trong 10 snippets", "phuc trong _ snippets", "phuc trong 2 snippets", "phuc trong 1 slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phuc trong 1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc trong 1 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc trong 1 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc trong 1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.