Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi mot chu snippets" » "thi mo chu snippets", "tri mot chu snippets", "thi moi chu snippets", "thi mot chut snippets", "thi mon chu snippets", "thi mot chieu 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 mot chu 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 mot chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi mot chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi mot chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.