Perhaps you should try some spelling variations:
kham thong » khap thong, khau thong, pham thuong
tren thuoc » trien thuoc, tren thuc, trung thuoc
cach tren » sach tren, cach thien, cach bien
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
pho thong » he thong
hoach tai » hoach toi, hoach toan, hoach thay
khoa kham » kho khan, khoa than
anh nghe » lang nghe, nang nghe, van nghe
nghe pho » nghe cho, nghe phan, nghe khoa
tai thuc » thai thuc, tri thuc, dai thuc
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
tu cach » tu cac

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 tren thuoc anh nghe pho thong ) or ( thu hoach tai thuc cac khoa kham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach tren thuoc anh nghe pho thong ) OR ( thu hoach tai thuc cac khoa kham thong ))*.