Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao cuu anh slippers" » "cham cuu anh slippers", "chao chu anh slippers", "kho cua anh slippers", "khao cuu thanh slippers", "khao cuu tinh slippers", "khao cuu nang slippers", "khao cuu anh slippery", "khao cuu 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: (((("khao cuu 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: (((("khao cuu anh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao cuu anh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao cuu anh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.