Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham de cua snippets" » "tham do cua snippets", "tham du cua snippets", "thai den cua snippets", "tham le cua snippets", "tham te cua snippets", "tham dieu 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: (((("tham de 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: (((("tham de cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham de cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham de cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.