Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi gia cau snippets" » "khi giao cau snippets", "phi gia cau snippets", "khan gia cau snippets", "khi giua cau snippets", "khi giay cau snippets", "khi gia cam 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: (((("khi gia cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi gia cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi gia cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi gia cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.