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