Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc lon cuoc snippets" » "hoc luong cuoc snippets", "hoc cong cuoc snippets", "hoc song cuoc snippets", "hoc mon cuoc snippets", "hoc con cuoc 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: (((("hoc lon cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc lon cuoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc lon cuoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc lon cuoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.