Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
manh tung » manh hung, thanh tung
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, von tai
toan cao » toan tap
toan ban » van ban
tung ap » tang ap, tung dan, tung bay
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - manh tung ap dung cong tan ((toan tai) or (((toan cao) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - manh tung ap dung cong tan ((toan tai) OR (((toan cao) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - manh tung ap dung cong tan ((toan tai) or (((toan cao) or (toan ban))))*.