Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat moi ke snippets" » "nhat moi ke snippets", "chat moi ke snippets", "hai moi ke snippets", "hat moi ve snippets", "hat mot ke 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: (((("hat moi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat moi ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat moi ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat moi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.