Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang van voi snippets" » "dang van voi snippets", "hoang van voi snippets", "trong van voi snippets", "tang van loi snippets", "tang van noi snippets", "tang van von 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: (((("tang van 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: (((("tang van voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang van voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang van voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.