Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong thi anh slippers" » "cong thai anh slippers", "cong khi anh slippers", "dong thi anh slippers", "cong thi hanh slippers", "cong thi thanh slippers", "cong thich anh slippers", "cong thi anh slippery", "cong thi anh grippers"
"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: (((("cong thi anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong thi anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong thi anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong thi anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.