Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
va thanh » gia thanh, ban thanh, va tinh
nhan luc » nang luc
tu sach » thu sach, su sach, tu cach
cuc tre » cua tre, cuu tre, cuc thue
ve nhan » ve nha, de nhan, va nhan
hieu ve » hieu va, hieu van
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
te sach » toc sach
duc tre » duoc tren, duc tien
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va

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)) ky dang ma hoi. hieu ve nhan luc va thanh tai ((cuc tre) or (duc tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky dang ma hoi. hieu ve nhan luc va thanh tai ((cuc tre) OR (duc tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky dang ma hoi. hieu ve nhan luc va thanh tai ((cuc tre) or (duc tre))".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky dang ma hoi. hieu ve nhan luc va thanh tai ((cuc tre) or (duc tre))*.