Perhaps you should try some spelling variations:
bach khang » bac thang, bach dang
phau thong » phap thong, khau thong, phan thong
khoa phau » hoa phan, khoa kham, khoa than
cach tao » cach bao, cach nao, cach ta
cac khoa » cac khoan, cac khoi, dac khoa
thu sach » tu sach, thuat sach, thuoc sach
sach dao » lanh dao
khang he » khong he, khang kho, hang ha
tu bach » vu bach, tu bac, tu hach
tao tu » tao cu
dao tu » dao tuc, dao tru, lao tu

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 tao tu cac khoa phau thong ) or ( thu sach dao tu bach khang he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach tao tu cac khoa phau thong ) OR ( thu sach dao tu bach khang he thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu cach tao tu cac khoa phau thong ) or ( thu sach dao tu bach khang he thong ))*.