Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho qua cham snippets" » "kho qua hai snippets", "kho qua cac snippets", "kho va cham snippets", "kho cua cham snippets", "cho qua cham snippets", "kho quy cham 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 qua cham 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 qua cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho qua cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho qua cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.