Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ke doi snippets" » "cho he doi snippets", "cho ky doi snippets", "cho xe doi snippets", "cho ke do snippets", "cho te doi 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: (((("cho ke doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho ke doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ke doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ke doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.