Perhaps you should try some spelling variations:
hoach trinh » hanh trinh, hoach dinh, hoach trong
trinh phan » trinh han, trinh quan, thanh phan
phan cach » nhan cach, phan cac, phan tach
cach khoa » bach khoa, cac khoa, cac khoan
phu thong » pho thong, phap thong, khau thong
nuoc sach » nguoi sach, hoc sach, cuoc cach
khoa phu » khoa phau, khoa thu, hoa phu
thu sach » tu sach, thuat sach, thuoc sach
sach dao » lanh dao
dao nuoc » dat nuoc, dao cuoc, dau nuoc
dung he » dung cho

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 trinh phan cach khoa phu thong ) or ( thu sach dao nuoc sach dung he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach trinh phan cach khoa phu thong ) OR ( thu sach dao nuoc sach dung he thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach trinh phan cach khoa phu thong ) or ( thu sach dao nuoc sach dung he thong ))*.