Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi linh can snippets" » "thi minh can snippets", "thi hinh can snippets", "thi binh can snippets", "thi kinh can snippets", "thi lich can 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: (((("thi linh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi linh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi linh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi linh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.