Perhaps you should try some spelling variations:
hoach tham » hoac tham, hoach thay, sach tham
tham thuat » tam thuat, phau thuat, thu thuat
thuat sach » thuat lanh, thuat san
quyet lam » quyet van
phu thong » pho thong, phap thong, khau thong
ba quyet » ban quyet, bi quyet, ra quyet
lam khoa » lao khoa, nam khoa, la khoa
khoa phu » khoa phau, khoa thu, hoa phu
sach ha » sach nha, sach han, sach xa
su sach » so sach, vu sach
sach ba » sach bai, sach bac, sach bao
ha he » hoa he, ha le, va he

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 tham thuat sach ha he thong ) or ( su sach ba quyet lam khoa phu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach tham thuat sach ha he thong ) OR ( su sach ba quyet lam khoa phu thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach tham thuat sach ha he thong ) or ( su sach ba quyet lam khoa phu thong ))*.