Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"biet de cau snippets" » "biet den cau snippets", "biet ve cau snippets", "biet dac cau snippets", "biet ke cau snippets", "biet le 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: (((("biet de 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: (((("biet de cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( biet de cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("biet de cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.