Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi trang so snippets" » "thu trang so snippets", "thuc trang so snippets", "thi truong so snippets", "thi trang son snippets", "thi trang o snippets", "thi trang do 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: (((("thi trang 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: (((("thi trang so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi trang so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi trang so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.