Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang thi la slippers" » "hoang thi lan slippers", "hoang thi ha slippers", "hoang thi ly slippers", "hoang thi la slippery", "hoang 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: (((("hoang 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: (((("hoang thi la slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang thi la slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang thi la slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.