Perhaps you should try some spelling variations:
trinh thang » trinh thanh, trinh trang, trinh thong
hanh doanh » hang doanh, chinh doanh, doanh doanh
toc chieu » toc thieu, doc hieu, mot chieu
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
dang cong » dung cong
thang cao » thong cao, thang lao, nang cao
cua dang » cua cong, cua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chieu) or (hoc thieu)) sang - hanh doanh cua dang cong trinh thang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chieu) OR (hoc thieu)) sang - hanh doanh cua dang cong trinh thang cao.
• Adding a wildcard symbol may retrieve word variants: ((toc chieu) or (hoc thieu)) sang - hanh doanh cua dang cong trinh thang cao*.