Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu tru cua snippets" » "chu tu cua snippets", "chu ru cua snippets", "chu tri cua snippets", "chu trau cua snippets", "chu trua 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: (((("chu tru 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: (((("chu tru cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu tru cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tru cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.