Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"chap hoc vat snippets" » "phap hoc vat snippets", "chat hoc vat snippets", "cho hoc vat snippets", "chap hoc va snippets", "chap hoc viet snippets", "chap thuc vat snippets", "chap hoc vat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chap hoc vat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chap hoc vat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chap hoc vat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chap hoc vat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.