Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
tran hong » tran hoang, tran trong, tranh hang
mang cua » manh cua, dung cua, cong cua
cong tac » cong ty
luan ban » luan van, luan san, luan han
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((mang cua) OR (ban cua)) thong cong tac ((luan ban) or (tran hong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((mang cua) OR (ban cua)) thong cong tac ((luan ban) OR (tran hong)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((mang cua) OR (ban cua)) thong cong tac ((luan ban) or (tran hong))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((mang cua) OR (ban cua)) thong cong tac ((luan ban) or (tran hong))*.