Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
hoc chieu » hoc hien, hoc dieu, hoc thiet
hoc thieu » toc thieu, hoc hien
tuan tong » toan tong, thuan trong, toan thong
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ((hoc chieu) or (((ho chieu) OR (hoc thieu)))) xanh - thanh trung tuan tong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (((ho chieu) OR (hoc thieu)))) xanh - thanh trung tuan tong cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (((ho chieu) OR (hoc thieu)))) xanh - thanh trung tuan tong cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (((ho chieu) OR (hoc thieu)))) xanh - thanh trung tuan tong cong tac toan ban*.