Perhaps you should try some spelling variations:
"lang phuoc a snippets" » "dang phuoc a snippets", "hoang phuoc a snippets", "dang thuoc a snippets", "lang phuc a snippets", "lang thuoc ma snippets", "lang thuoc va snippets", "lang phuoc a 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: (((("lang phuoc a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang phuoc a snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang phuoc a snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang phuoc a snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.