Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chieu day ve snippets" » "chien dau ve snippets", "chieu cao ve snippets", "hieu dac ve snippets", "chieu dap ve snippets", "chieu day va snippets", "chieu dau ve snippets"
"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: (((("chieu day ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chieu day ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu day ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu day ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.