Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
cac tren » ca tren, cau tren, rac tren
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tri cac » tri mac, tai cac, tri dac
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa

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 ky nang xa hoi. hieu va cham ((tuc va) or (hoc va)) hanh tri cac tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang xa hoi. hieu va cham ((tuc va) OR (hoc va)) hanh tri cac tren.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. hieu va cham ((tuc va) or (hoc va)) hanh tri cac tren*.