Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoa che snippets" » "thi hoan che snippets", "thi ha che snippets", "thi hong che snippets", "thi hoa cheo snippets", "thi hoa he snippets", "thi hoa cho 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 hoa che 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 hoa che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoa che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoa che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.