Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
thuat san » thuat toan, thuat song, thuat lanh
thuc sach » thuoc sach, thuc cach, thuat sach
sach nghe » sach nghiep, sach nha, anh nghe
pho thong » he thong
hoach ki » hoach hoi, hoach toi, hoach su
ki thuat » ky thuat
nha phau » nha phat, nhap khau, khoa phau
thu sach » tu sach, thuat sach, thuoc sach
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
nghe pho » nghe cho, nghe phan, nghe khoa
san nha » san nhat, ban nha, can nha

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach ki thuat san nha phau thong ) or ( thu sach tri thuc sach nghe pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach ki thuat san nha phau thong ) OR ( thu sach tri thuc sach nghe pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach ki thuat san nha phau thong ) or ( thu sach tri thuc sach nghe pho thong ))*.