Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"truong va he snippets" » "truong va code snippets", "truong dai he snippets", "truong cao he snippets", "truong dao he snippets", "truong va che snippets", "truong va ghe snippets", "truong va de 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 ("truong va he snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("truong va he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( truong va he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("truong va he snippets"))) or ("locating bug core snippets"))*.