Perhaps you should try some spelling variations:
hanh gian » thanh gian, thanh giang, manh giang
gian cuu » gian cua, gian suu, gian cu
sach thu » sach thue, sach thieu, sach tham
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
ha hoi » hoa hoi, ha noi, va hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach y) or (sach thu)) lang ((ha hoi) or (xa hoi)). lieu va cam tuc va hanh gian cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach y) OR (sach thu)) lang ((ha hoi) OR (xa hoi)). lieu va cam tuc va hanh gian cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach y) or (sach thu)) lang ((ha hoi) or (xa hoi)). lieu va cam tuc va hanh gian cuu tre*.