Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hanh vai » hanh vi, hanh va, hanh tai
cau treo » cau theo, cau tren, cau triet
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va thanh, va danh
ty nang » ky nang, ty hang, ly nang
vai cau » va cau, van cau, vai cac
cam o » cham o, cam lo, ca o

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 ((ty nang) OR (ty xang)) cau hoi. hieu vu ((cham soc) or (cam o)) va hanh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ((ty nang) OR (ty xang)) cau hoi. hieu vu ((cham soc) OR (cam o)) va hanh vai cau treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ((ty nang) OR (ty xang)) cau hoi. hieu vu ((cham soc) or (cam o)) va hanh vai cau treo".
• Adding a wildcard symbol may retrieve word variants: thuat sach ((ty nang) OR (ty xang)) cau hoi. hieu vu ((cham soc) or (cam o)) va hanh vai cau treo*.