Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi quy can snippets" » "tai quy can snippets", "thien quy can snippets", "thi quynh can snippets", "thi duy can snippets", "thi quy van snippets", "thi huy 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 quy 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 quy can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi quy can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi quy can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.