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