Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang thi cua snippets" » "tang thi code snippets", "dang thi cua snippets", "tang tai cua snippets", "hoang thi cua snippets", "tang thai cua snippets", "tang thi cuc snippets", "tang tri cua snippets"
"python using java snippets" » "python using data 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 cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang thi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang thi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang thi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.