Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
tung chap » dung chat, tung pham, dung chau
ho chieu » theo chieu, doi chieu, mot chieu
dong tan » duong tan, dong san, cong tan
dong tai » dung tai, luong tai, cong tac
toan cau » 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: ((ho chieu) or (hoc thieu)) tinh - thanh tung chap thuong ((dong tan) OR (dong tai)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - thanh tung chap thuong ((dong tan) OR (dong tai)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) tinh - thanh tung chap thuong ((dong tan) OR (dong tai)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) tinh - thanh tung chap thuong ((dong tan) OR (dong tai)) toan cau*.