Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao anh so snippets" » "cao dang so snippets", "cao tang so snippets", "cao bang so snippets", "cao anh son snippets", "cao anh co 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: (((("cao anh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao anh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao anh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao anh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.