Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choc vung ho snippets" » "hoc ung ho snippets", "hoc dung ho snippets", "cac vung ho snippets", "choc vung hoc snippets", "choc vung cho snippets", "choc vung kho 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: (((("choc vung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choc vung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choc vung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choc vung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.