Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
cau treo » cau theo, cau tren, cau triet
danh vai » danh sai, danh va, doanh van
van danh » van doanh, van anh, van hanh
viec cac » vien cac, viec cua, viec lam
thu sach » thuat sach, thuoc sach, thu hoach
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
vai cau » va cau, van cau, vai cac
tu sach » su sach, tu cach, vu sach
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
cac bo » bac bo, cac co
bo van » vo van, so van, do van

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) OR (te sach))) or (thu sach)) y nang ma hoi. hieu viec cac bo van danh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (thu sach)) y nang ma hoi. hieu viec cac bo van danh vai cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (te sach))) or (thu sach)) y nang ma hoi. hieu viec cac bo van danh vai cau treo*".