Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
hanh tri » hanh tai, hanh trinh, hanh triet
cuu tre » cua tre, cau tren, cau treo
cam tuc » cam xuc, cam tu, nam thuc
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu va » lieu va, hieu qua
te sac » te sach, te cac
tuc va » thuc va, truc va, tuc xa
ha hoi » hoa hoi, ha noi, xa hoi
te san » te ban, ke san, tu san
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te san)) ky lang ha hoi. hieu va cam tuc va ((hanh tri) OR (thanh tri)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky lang ha hoi. hieu va cam tuc va ((hanh tri) OR (thanh tri)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) or (te san)) ky lang ha hoi. hieu va cam tuc va ((hanh tri) OR (thanh tri)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te san)) ky lang ha hoi. hieu va cam tuc va ((hanh tri) OR (thanh tri)) cuu tre*.