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