Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
sang tao » hang tai
cu tren » tu tren, dua tren
cuu tre » cua tre, cau tren, cau treo
cac duc » cac du, cao duc, cac dac
hieu va » lieu va, hieu qua
tao hoi » tao khoi, tao boi, tay hoi
ky sang » ky nang, ky dang, ky tang
vu sach » vu bach, su sach, vu khach

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (vu sach)) ky sang tao hoi. hieu va cac duc va thanh ve ((cuu tre) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (vu sach)) ky sang tao hoi. hieu va cac duc va thanh ve ((cuu tre) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (vu sach)) ky sang tao hoi. hieu va cac duc va thanh ve ((cuu tre) or (cu tren))*.