Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu thanh que snippets" » "cu thanh qui snippets", "cu thanh hue snippets", "cu thanh qua snippets", "cuu thanh que snippets", "cua thanh que snippets", "chu thanh que 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: (((("cu thanh que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu thanh que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cu thanh que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu thanh que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.