Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho cuu cua snippets" » "khao cuu cua snippets", "kho cua cua snippets", "ho cuu cua snippets", "kho cau cua snippets", "kho cu cua snippets", "kho chu cua 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 cuu cua 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 cuu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho cuu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cuu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.