Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho su voi snippets" » "khoi su voi snippets", "kho mu voi snippets", "kho tu voi snippets", "kho sua voi snippets", "kho su vi snippets", "kho 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: (((("kho 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: (((("kho su voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho su voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.