Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khen va mo snippets" » "khien va mo snippets", "kien va mo snippets", "ken va mo snippets", "khen va mot snippets", "khen va moi snippets", "khen vi mo 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: (((("khen va mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khen va mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khen va mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khen va mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.