Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
tao thuoc » cao thuoc, tac thuoc, tao duoc
thuoc ban » thuoc tan, thuoc dang, thu ban
khoa phap » khoa phau, khoan phai, khong phap
lanh tao » lanh tho, sang tao, anh tho
ban khoa » san khoa, van khoa, ba khoa
hai khoa » thai khoa, chai khoa, tai khoa
te lanh » te danh, te lan, tu lanh
dao tuc » dao duc
tuc hai » cuc hai
khoa he » hoa he, khoa hoc, khong he

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te lanh tao thuoc ban khoa phap thong ) or ( te lanh dao tuc hai khoa he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te lanh tao thuoc ban khoa phap thong ) OR ( te lanh dao tuc hai khoa he thong )).
• Adding a wildcard symbol may retrieve word variants: (( te lanh tao thuoc ban khoa phap thong ) or ( te lanh dao tuc hai khoa he thong ))*.