Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan cho cua snippets" » "chat cho cua snippets", "han cho cua snippets", "chuan chon cua snippets", "chan cheo cua snippets", "chan co cua snippets", "chan 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: (((("chan cho 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: (((("chan cho cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan cho cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan cho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.