Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tren thuc » trien thuc, tron thuc, trinh thuc
tung tan » tung dan, cung tan, hung tan
tan dung » tran dung, tin dung, van dung
cong tac » cong ty
tren tau » tren may, tren dat, tren thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh tung tan dung cong tac ((tren tau) OR (tren thuc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung tan dung cong tac ((tren tau) OR (tren thuc))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung tan dung cong tac ((tren tau) OR (tren thuc))*.