Perhaps you should try some spelling variations:
cua quoc » cua nuoc, cua thuoc
van tuan » van quan, van ban, anh tuan
nang mai » nang ma, nang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
tuan ve » tuan le, quan ve, luan ve
xuc van » duc van, luc van, vuc van
su sach » so sach, vu sach
hieu va » lieu va
y nang » ky nang, ly nang, v 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: ((su sach) or (thu hoach)) y nang mai khoi. ((hieu va) or (hieu qua)) cam xuc van tuan ve cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu hoach)) y nang mai khoi. ((hieu va) OR (hieu qua)) cam xuc van tuan ve cua quoc.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu hoach)) y nang mai khoi. ((hieu va) or (hieu qua)) cam xuc van tuan ve cua quoc*.