Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung cap » truong cao, trung tam
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong tan » cong tac, cong san, cong thanh
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban

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 - thanh trung cap dung cong tan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - thanh trung cap dung cong tan ((toan tai) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - thanh trung cap dung cong tan ((toan tai) or (toan tap))*.