Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon chu cu snippets" » "cho chu cu snippets", "choi chu cu snippets", "chon chung cu snippets", "chon chu cua snippets", "chon chua cu snippets", "chon chu tu 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: (((("chon chu cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon chu cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon chu cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon chu cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.