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