Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"y thi truong snippets" » "y moi truong snippets", "ky thi truong snippets", "y thai truong snippets", "ly thi truong snippets", "y thi truong 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: (((("y thi truong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("y thi truong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( y thi truong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("y thi truong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.