Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bac van toi snippets" » "bac van code snippets", "bach van toi snippets", "cac van toi snippets", "ban van toi snippets", "bac van tai snippets", "bac van thi snippets", "bac van toan snippets"
"python using java snippets" » "python using data snippets"

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

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