Perhaps you should try some spelling variations:
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, anh dung, hanh dong
dat chung » luat chung, xuat chung, quat chung
cong tinh » cong trinh, cong vinh, long tinh
dung dat » dung va, dung tai
toan cao » toan ban, toan tap

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) or (mot chieu)) sang - hanh dung dat chung cong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (mot chieu)) sang - hanh dung dat chung cong tinh toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (mot chieu)) sang - hanh dung dat chung cong tinh toan cao*.