Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tang » hanh trang, hanh mang, hanh tung
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban
han tap » han tai, nhan tai, nhan tao

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 tang) OR (anh tang)) cua khong cong tan ((han tap) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((hanh tang) OR (anh tang)) cua khong cong tan ((han tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - ((hanh tang) OR (anh tang)) cua khong cong tan ((han tap) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((hanh tang) OR (anh tang)) cua khong cong tan ((han tap) or (toan tap))*.