Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho qua danh slippers" » "cho qua dan slippers", "cho luan danh slippers", "cho luat danh slippers", "cho que danh slippers", "cho sua danh slippers", "cao quan danh slippers", "cho qua danh slippery", "cho qua danh 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 qua danh 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 qua danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho qua danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho qua danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.