Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cam thi hong snippets" » "cam thi cong snippets", "cam thi phuong snippets", "cam thi hanh snippets", "cau thi hong snippets", "can thi hong snippets", "cao thi hong 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: (((("cam thi hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cam thi hong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cam thi hong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cam thi hong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.