Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
dang cong » dung cong
cong linh » cuong linh, cong vinh, cong tinh
linh khan » dinh khanh, tinh khang, linh thanh
lan hanh » ban hanh, van hanh, lan anh
hanh va » hang va, hanh vi
va dang » van dang, va nang, va lang
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (chieu xanh)) - lan hanh va dang cong linh khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (chieu xanh)) - lan hanh va dang cong linh khan ap*.