Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kiem than so snippets" » "kiem toan so snippets", "liem thanh so snippets", "diem thuan so snippets", "kiem than sao snippets", "kiem than vo snippets", "kiem than go 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: (((("kiem than 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: (((("kiem than so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kiem than so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kiem than so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.