Perhaps you should try some spelling variations:
thanh vinh » thanh binh, thanh tinh, than kinh
xa thanh » va thanh, ha thanh, ta thanh
vinh cau » sinh cau, vinh cuu, minh cau
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
van lam » van nam
y nang » ky nang, ly nang, v nang
va lam » va lap
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ((va lam) OR (van lam)) tuc xa thanh vinh cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang x hoi. hieu ((va lam) OR (van lam)) tuc xa thanh vinh cau tren".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu ((va lam) OR (van lam)) tuc xa thanh vinh cau tren*.