Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi xuan anh slippers" » "thi xa anh slippers", "thi lan anh slippers", "thi tuan anh slippers", "thi xuan thanh slippers", "thi xuan dinh slippers", "thi xuan anh slippery", "thi xuan 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: (((("thi xuan 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: (((("thi xuan anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi xuan anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi xuan anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.