Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac tao hoi snippets" » "cac tao code snippets", "cau tao hoi snippets", "cac tro hoi snippets", "cac tac hoi snippets", "cac tao khoi snippets", "cac tao boi snippets", "cac tay hoi snippets"
"python using java snippets" » "python using data 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: (((("cac tao hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac tao hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac tao hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac tao hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.