Perhaps you should try some spelling variations:
cach nhanh » cac nganh, cac nhan, cac thanh
lanh dinh » anh dinh, hanh dinh, thanh dinh
hoc lanh » hoc anh, hoc hanh, hoc danh
dinh cho » dinh chon, danh cho, dinh chi
chong ha » cong ha, hong ha, chong va
thong ha » hong ha, thong va, thong phan
cho khi » co khi, cho ghi, cao khai
te cach » ve cach, te sach, tu cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( hoc lanh dinh cho khi đong luc ) or ( te cach nhanh ((chong ha) or (thong ha)) đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( hoc lanh dinh cho khi đong luc ) OR ( te cach nhanh ((chong ha) OR (thong ha)) đong luc )).
• Adding a wildcard symbol may retrieve word variants: (( hoc lanh dinh cho khi đong luc ) or ( te cach nhanh ((chong ha) or (thong ha)) đong luc ))*.