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