Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi vi hanh slippers" » "doi vi thanh slippers", "doi va hanh slippers", "doi ve hanh slippers", "doi voi hanh slippers", "doi vai hanh slippers", "doi vi hanh slippery", "doi vi 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: (((("doi vi 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: (((("doi vi hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi vi hanh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi vi hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.