Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu phoi le snippets" » "thu hoi le snippets", "thu hai le snippets", "thu chi le snippets", "thu phi le snippets", "thu phoi loi 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: (((("thu phoi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu phoi le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu phoi le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu phoi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.