Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
pham luan » phap luan, pham quang, pham van
thanh tai » thanh hai, thanh toan, doanh tai
thu nang » thi nang, thu hang, thu bang
nang dai » nang dau, nang tai, lang dai
va thanh » gia thanh, ban thanh, va tinh
sach thu » sach thue, sach thieu, sach tham
tai cua » thai cua, tai cuc, tri cua
tham lo » tham do, tham hoa, pham lao
hieu va » lieu va, hieu qua
dai hoi » dai hoc, dai hai, dai moi
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach thu nang dai hoi. hieu va ((tham lo) or (pham luan)) va thanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach thu nang dai hoi. hieu va ((tham lo) OR (pham luan)) va thanh tai cua tre*.