Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, chieu xanh, hien khanh
danh toan » anh toan, dan toan, dang toan
manh toan » thanh toan, anh tuan, tinh toan
trung va » truong va, trang va, trung ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien nhanh)) - thanh trung va nhung cong ((danh toan) OR (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - thanh trung va nhung cong ((danh toan) OR (manh toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (hien nhanh)) - thanh trung va nhung cong ((danh toan) OR (manh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - thanh trung va nhung cong ((danh toan) OR (manh toan)) ban*.