Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim tri cac snippets" » "kiem tra cac snippets", "kien tri cac snippets", "kinh tri cac snippets", "kim tri mac snippets", "kim tai cac snippets", "kim tri dac 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 tri cac 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 tri cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim tri cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim tri cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.