Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh ve anh slippers" » "trinh he anh slippers", "trinh va anh slippers", "trinh vi anh slippers", "trinh ve canh slippers", "trinh ve hanh slippers", "trinh le anh slippers", "trinh ve anh slippery", "trinh ve anh 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: (((("trinh ve anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh ve anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ve anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ve anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.