Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh manh » hanh mang, lanh manh, hoang manh
cua dang » cua cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu tinh) or (lieu tinh)) - hanh manh ((cua dang) OR (cua ban)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu tinh) OR (lieu tinh)) - hanh manh ((cua dang) OR (cua ban)) cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu tinh) or (lieu tinh)) - hanh manh ((cua dang) OR (cua ban)) cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu tinh) or (lieu tinh)) - hanh manh ((cua dang) OR (cua ban)) cong tan toan ban*.