Perhaps you should try some spelling variations:
thanh tung » thanh cong
tung tuan » trung tuan, hung tuan, quang tuan
tuan cong » thuan cong, luan cong, tran cong
tuong ban » tuong bang, trong ban, tuong quan
tuong dan » huong dan, tung dan, xuong dan
chi sach » chinh sach, chieu sach, co sach
phan dau » phan tu, hang dau
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh tung tuan cong ((tuong ban) OR (tuong dan)) phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh tung tuan cong ((tuong ban) OR (tuong dan)) phan dau*".