Perhaps you should try some spelling variations:
khoan phai » khong phai, khoan hoi, khoan nhoi
phai tuong » phan thuong, pham thuong, pham truong
tranh thuy » thanh thuy, tran thuy, trinh thuy
phau thong » phap thong, khau thong, phan thong
cach thuc » anh thuc, cac thu
thuc thuc » hoc thuc
khoa phau » hoa phan, khoa kham, khoa than
thu cach » thuc cach, thu canh, tu cach
thuc cac » thuc cach, tuc cac, phuc cac
thuy anh » thuy linh
anh khoa » doanh khoa, hang khoa
tu canh » thu canh, tu chanh, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu cach thuc thuc cac khoan phai tuong ) or ( tu canh tranh thuy anh khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu cach thuc thuc cac khoan phai tuong ) OR ( tu canh tranh thuy anh khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu cach thuc thuc cac khoan phai tuong ) or ( tu canh tranh thuy anh khoa phau thong ))*.