Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
thuc dang » thuoc dang, thuc dan, thuc dung
thanh van » thanh san, thanh toan, thanh phan
cua triet » cua viet, su triet, va triet
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
van cua » vang cua, ban cua, dan cua
sac ky » cac ky, sai ky
ha am » ha nam, ha lam, va am

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) or (sac ky)) nang xa hoi. hieu ((ha am) OR (hoa am)) thuc dang thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) nang xa hoi. hieu ((ha am) OR (hoa am)) thuc dang thanh van cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) or (sac ky)) nang xa hoi. hieu ((ha am) OR (hoa am)) thuc dang thanh van cua triet*".