Perhaps you should try some spelling variations:
thuat sach » thuat lanh
truc thuoc » thuc thuc, tri thuoc, tu thuoc
phan thong » phan thuong, phan hong, phan tong
thuat san » thuat toan, thuat song, thuat lanh
thuoc ban » thuoc tan, thuoc dang, thu ban
hoa phan » hoa dan, co phan
ban hoa » van hoa, ba hoa, bao hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (thuat san)) truc thuoc ban hoa phan thong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (thuat san)) truc thuoc ban hoa phan thong*.