Perhaps you should try some spelling variations:
thanh tung » thanh cong
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
trong tac » trong cac, tuong tac, trong tan
theo chu » theo chieu, cho chu, chao chu
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((mot chieu) or (hoc thieu))) or (theo chu)) tinh - thanh tung cua dung trong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((mot chieu) OR (hoc thieu))) OR (theo chu)) tinh - thanh tung cua dung trong tac van ban.
• Adding a wildcard symbol may retrieve word variants: ((((mot chieu) or (hoc thieu))) or (theo chu)) tinh - thanh tung cua dung trong tac van ban*.