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