Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bua cham voi snippets" » "qua cham voi snippets", "va cham voi snippets", "bia chai voi snippets", "bua cham hoi snippets", "bua pham voi snippets", "bua cham soc 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: (((("bua cham 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: (((("bua cham voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bua cham voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bua cham voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.