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