Perhaps you should try some spelling variations:
kham thong » khap thong, khau thong, pham thuong
khoa kham » kho khan, khoa than
pho thong » he thong
hanh dao » lanh dao, thanh dat, thanh dam
cac khoa » cac khoan, cac khoi, dac khoa
khoa pho » khoa phu, khoa khoa, khoa phau
tu hanh » du hanh, lu hanh, thuc hanh
tuc cac » tu cac, tich cac
dao duc » giao duc, tao duoc
duc cac » duoc cac, muc cac, dung 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 hanh dao tuc cac khoa kham thong ) or ( tu hanh dao duc cac khoa pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu hanh dao tuc cac khoa kham thong ) OR ( tu hanh dao duc cac khoa pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu hanh dao tuc cac khoa kham thong ) or ( tu hanh dao duc cac khoa pho thong ))*.