Perhaps you should try some spelling variations:
va doanh » van doanh, vay doanh, va danh
doanh va » doan va, doanh tai, doanh cua
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
cam lo » cam ly, cam o
nam lo » nam bo, nam so, nam co
va cua » va chua, via cua, ca cua
cua te » cua tu

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 y nang xa hoi. hieu ve ((cam lo) OR (nam lo)) va doanh va cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu ve ((cam lo) OR (nam lo)) va doanh va cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ve ((cam lo) OR (nam lo)) va doanh va cua te*.