Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
tu sach » thu sach, su sach, te sach
nam qua » nam quan, nam cua, nam mua
qua ban » cua ban, qua quan
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, me hoi
va nam » van nam, ha nam, va nay

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) or (tu sach)) y nang ((ma hoi) or (ma hoa)). lieu va nam qua ban thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu hoach) OR (tu sach)) y nang ((ma hoi) OR (ma hoa)). lieu va nam qua ban thanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((thu hoach) or (tu sach)) y nang ((ma hoi) or (ma hoa)). lieu va nam qua ban thanh vai cuu tre*.