Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hang cd snippets" » "thi hanh cd snippets", "thi nang cd snippets", "thi hong cd snippets", "thi hoang cd snippets", "thi hang ca snippets", "thi hang 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: (((("thi hang cd 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 hang cd snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hang cd snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hang cd snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.