Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
suc canh » luc canh, suc manh, luoc canh
suc xanh » suc manh, tuoc xanh, luc canh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
tu nong » tu dong, tu cong, tu tong
tu nang » tru nang, tu nano, tu lang
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((tu nang) or (tu nong)) xa hoi. hieu ve cam ((suc xanh) OR (suc canh)) hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((tu nang) OR (tu nong)) xa hoi. hieu ve cam ((suc xanh) OR (suc canh)) hanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((tu nang) or (tu nong)) xa hoi. hieu ve cam ((suc xanh) OR (suc canh)) hanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ((tu nang) or (tu nong)) xa hoi. hieu ve cam ((suc xanh) OR (suc canh)) hanh vai cuu tre*.