Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao cac chan snippets" » "dao cam chan snippets", "dao cac nhan snippets", "dao cac chat snippets", "do cac chan snippets", "sao cac chan snippets", "tao cac chan 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: (((("dao cac chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao cac chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao cac chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cac chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.