Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh tung » thanh cong
tong huong » thong huong, tong thuong, cong huong
hoc thieu » toc thieu, hoc hien
tung cua » trung cua, tuong cua, dung cua
cua tong » cua cong, cua dong, cua nong
gian cac » gian dan, gian cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (hoc thieu)) tinh - thanh tung cua tong huong dan gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) tinh - thanh tung cua tong huong dan gian cac*.