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