Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon luoc ve snippets" » "chon loc ve snippets", "chien luoc ve snippets", "cho cuoc ve snippets", "chon nuoc ve snippets", "chon luoc va snippets", "chon luoc vu 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: (((("chon luoc 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: (((("chon luoc ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon luoc ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon luoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.