Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"du chat ke snippets" » "duoc chat ke snippets", "dung chat ke snippets", "doc chat ke snippets", "du hat ke snippets", "du chat kiem snippets", "du chat deo 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: (((("du chat ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("du chat ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( du chat ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("du chat ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.