Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cho voi snippets" » "lam chu voi snippets", "lai cho voi snippets", "lam co voi snippets", "lam choi voi snippets", "lam cho moi snippets", "lam pho 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: (((("lam cho 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: (((("lam cho voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cho voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cho voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.