Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
cau treo » cau theo, cau tren, cau triet
hieu van » hieu va, thien van, lieu va
danh vai » danh sai, danh va, doanh van
van chat » cao chat
sach ty » sach y, sach tu, sach thu
truc va » thuc va, thuc vat, trung va
vai cau » va cau, van cau, vai cac
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach thue)) nang x hoi. hieu van chat ((xuc va) or (truc va)) danh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thue)) nang x hoi. hieu van chat ((xuc va) OR (truc va)) danh vai cau treo.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach thue)) nang x hoi. hieu van chat ((xuc va) or (truc va)) danh vai cau treo*.