Perhaps you should try some spelling variations:
thuong hanh » thuong han, phuong hanh, truong thanh
chan thuong » phan thuong, han thuong, hang thuong
thong minh » thong tin, hoang minh
hoc nganh » hoc nhanh
nganh che » nganh nghe, nganh co, hanh che
giai chan » giai han, giai phap, giai phau
con thong » cong thong, con hong, cong thuong
sach cha » sach nha, sach che, sach ha
gian con » gian cuon, gian co, gian don
ve giai » va giai, ve giao, de giai
tu sach » thu sach, su sach, te sach
de gian » de giai, de gia, de giau
che ve » chep ve, che va, che vi
cha de » cha me, chat deo, cham den

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( hoc nganh che ve giai chan thuong hanh ) or ( tu sach cha de gian con thong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( hoc nganh che ve giai chan thuong hanh ) OR ( tu sach cha de gian con thong minh )).
• Adding a wildcard symbol may retrieve word variants: (( hoc nganh che ve giai chan thuong hanh ) or ( tu sach cha de gian con thong minh ))*.