Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc thi moi snippets" » "thuc thi moi snippets", "chuc thi moi snippets", "phuc tho moi snippets", "phuc thi mai snippets", "phuc thi mo snippets", "phuc thi hoai snippets"
"locating bug code snippets" » "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 thi moi 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 thi moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc thi moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc thi moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.