Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim hue cham snippets" » "kim khoe cham snippets", "kim phuc cham snippets", "kim tu cham snippets", "kim que cham snippets", "kim huyen 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: (((("kim hue 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: (((("kim hue cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim hue cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim hue cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.