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