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