Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac van thi slippers" » "bach van thi slippers", "cac van thi slippers", "ban van thi slippers", "bac van tai slippers", "bac dan thi slippers", "bac van thu slippers", "bac van thi slippery", "bac 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: (((("bac 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: (((("bac van thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac van thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac van thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.