Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
trang tai » trang trai, trang tri, trong tai
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
tang tai » hang tai, dung tai, sang tao
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 tinh - hanh ((trang tai) or (tang tai)) thong cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh ((trang tai) OR (tang tai)) thong cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((trang tai) or (tang tai)) thong cong manh toan cau*.