Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi do minh slippers" » "thi dao minh slippers", "thi do dinh slippers", "thi doan minh slippers", "thi mo minh slippers", "thi bo minh slippers", "thi do minh slippery", "thi do minh 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 do minh 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 do minh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi do minh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi do minh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.