Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trinh quan » tinh quang, trinh han
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luan, trinh chat
cong san » cong tac
san than » sang than, san thanh, ban than
than ban » thanh ban, toan ban, than man
luat » luan, xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((((trinh cua) OR (trinh luat))) or (trinh quan)) nhung cong san than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((((trinh cua) OR (trinh luat))) OR (trinh quan)) nhung cong san than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - hanh ((((trinh cua) OR (trinh luat))) or (trinh quan)) nhung cong san than ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((((trinh cua) OR (trinh luat))) or (trinh quan)) nhung cong san than ban*.