Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thue vu cua snippets" » "thue va cua snippets", "hue vu cua snippets", "thu vu cua snippets", "thue hu cua snippets", "thue tu cua 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: (((("thue vu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thue vu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thue vu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thue vu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.