Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang thi loc snippets" » "dang thi loc snippets", "tang tai loc snippets", "hoang thi loc snippets", "tang chi loc snippets", "tang thi goc snippets", "tang thi lo 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 thi loc 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 thi loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang thi loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang thi loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.