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