Perhaps you should try some spelling variations:
trien thuat » thien thuat, trien hoat, chien thuat
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trien » hanh triet, hanh trinh, hanh thiet
nhung cong » dung cong, thong cong, hang cong
dang cong » dung cong
vang toan » van toan, dang toan, quang toan
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: theo chieu tinh - hanh trien thuat ((nhung cong) or (dang cong)) vang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - hanh trien thuat ((nhung cong) OR (dang cong)) vang toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - hanh trien thuat ((nhung cong) or (dang cong)) vang toan cau*.