Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho su voi snippets" » "pho tu voi snippets", "pho cu voi snippets", "phong su voi snippets", "pho sua voi snippets", "pho su vi snippets", "pho so voi 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: (((("pho su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho su voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho su voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.