Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho ban cau snippets" » "khoe ban cau snippets", "kho bac cau snippets", "cho ban cau snippets", "kho bang cau snippets", "kho ban can snippets", "kho van cau 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: (((("kho ban 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: (((("kho ban cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho ban cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho ban cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.