Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung vo thi slippers" » "hung v thi slippers", "hung vu thi slippers", "hung vi thi slippers", "hung do thi slippers", "hung vo thi slippery", "hung vo 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: (((("hung vo 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: (((("hung vo thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung vo thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung vo thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.