Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"when hai le snippets" » "phien hai le snippets", "chan hai le snippets", "bien hai le snippets", "when hai ly snippets", "when tai le snippets", "when hoi le 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: (((("when hai 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: (((("when hai le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( when hai le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("when hai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.