Perhaps you should try some spelling variations:
phan thong » phan thuong, phan hong, phan tong
cach thuc » anh thuc, cac thu
hach toan » thanh toan, manh toan
toan phan » thanh phan, toan ban, luan phan
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
thu sach » tu sach, thuat sach, thuoc sach
hanh hoa » thanh hoa, khanh hoa, hang hoa
hoa phan » hoa dan, co phan
tu cach » tu cac
thuc vu » phuc vu, thuc va, thuc ve
vu hach » vu khach, vu bach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach thuc vu hach toan phan thong ) or ( thu sach tren thuc hanh hoa phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach thuc vu hach toan phan thong ) OR ( thu sach tren thuc hanh hoa phan thong ))*.