Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"son trinh vi snippets" » "son tinh vi snippets", "cong trinh vi snippets", "dong trinh vi snippets", "son trinh va snippets", "son trinh ve snippets", "son trinh viet snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("son trinh vi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"son trinh vi snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( son trinh vi snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son trinh vi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.