Perhaps you should try some spelling variations:
cua quoc » cua nuoc, cua thuoc
van tuan » van quan, van ban, anh tuan
tuan ve » tuan le, quan ve, luan ve
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
v nang » va nang, vu nang, van nang
va cam » va cham, va cac, va cao
y nang » ky nang, ly nang, may nang
ve cua » le cua, de cua, te cua

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 (thu hoach)) ((y nang) or (v nang)) mai hoi. hieu va cam xuc van tuan ve cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) ((y nang) OR (v nang)) mai hoi. hieu va cam xuc van tuan ve cua quoc.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) ((y nang) or (v nang)) mai hoi. hieu va cam xuc van tuan ve cua quoc*.