Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi lan he snippets" » "thi lan code snippets", "thi hanh he snippets", "thi nang he snippets", "thi lien he snippets", "thi dan he snippets", "thi lan ha snippets", "thi van he 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 he 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 he snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thi lan he snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi lan he snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.