Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao van thi slippers" » "cao van thi slippers", "hao van thi slippers", "thao van thi slippers", "chao van tai slippers", "chao dan thi slippers", "chao van thu slippers", "chao van thi slippery", "chao van thi 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: (((("chao van thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao van thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao van thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao van thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.