Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap tac van slippers" » "nhap thap van slippers", "nhan tai van slippers", "nhan tao van slippers", "nhap tac vang slippers", "nhap cac van slippers", "nhap tac va slippers", "nhap tac van slippery", "nhap tac van 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: (((("nhap tac van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap tac van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap tac van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap tac van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.