Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo cap voi snippets" » "theo phap voi snippets", "pho cap voi snippets", "theo chu voi snippets", "theo cap phoi snippets", "theo cham voi snippets", "theo giap 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: (((("theo cap 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: (((("theo cap voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo cap voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo cap voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.