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