Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi lan hon snippets" » "thi lan code snippets", "thi hanh hon snippets", "thi nang hon snippets", "thi lien hon snippets", "thi luan hoan snippets", "thi lan huong snippets", "thi lang son 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: (((("thi lan hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi lan hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi lan hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi lan hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.