Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi su hoan snippets" » "thi su han snippets", "thi vu hoan snippets", "thi thu hoan snippets", "thi cu hoan snippets", "thi tu hoan snippets", "chi su hoan 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 su hoan 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 su hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi su hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi su hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.