Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien xanh » hien hanh, hien nhanh, chieu xanh
trung vat » trung va, trung van, trong vat
dung cong » dung trong
doan phan » doanh phan, toan phan, doanh nhan
vat dung » van dung, va dung, viet dung
van phan » van phong, van thanh, luan phan
dan phan » dan chan, dam phan, dan than

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 - thanh trung vat dung cong ((van phan) or (((doan phan) OR (dan phan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh trung vat dung cong ((van phan) OR (((doan phan) OR (dan phan)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh trung vat dung cong ((van phan) or (((doan phan) OR (dan phan)))) cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh trung vat dung cong ((van phan) or (((doan phan) OR (dan phan)))) cau*.