Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thuat dung » thuat hung, thuat ung, thuat xung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tvqg » anh tong
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 - ((anh tvqg) or (anh tang)) thuat dung cong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((anh tvqg) OR (anh tang)) thuat dung cong san ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((anh tvqg) or (anh tang)) thuat dung cong san ((toan cau) or (toan ban))*.