Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi tieu so snippets" » "chi tiet so snippets", "chi hieu so snippets", "cai tien so snippets", "chi thieu so snippets", "chi tieu su 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: (((("chi tieu 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: (((("chi tieu so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi tieu so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi tieu so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.