Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh hang » thanh hang, hang hang, hanh han
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
hang cua » mang cua, hang ca, huong cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
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: ho chieu tinh - hanh hang cua dung cong san ((toan tap) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh hang cua dung cong san ((toan tap) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh hang cua dung cong san ((toan tap) or (van ban))*.