Perhaps you should try some spelling variations:
thanh ky » hanh ky, than ky, thanh tay
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
khanh ky » hanh ky, khanh ly, khanh duy
hai truc » dai truc, hai trac, hang truc
va hanh » va thanh, va danh, ban hanh
vai cua » dai cua, hai cua, lai cua
van hai » van ha, van chat, van phan
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ((khanh ky) OR (thanh ky)) nang xa hoi. hieu van hai truc ((va hanh) or (van hanh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((khanh ky) OR (thanh ky)) nang xa hoi. hieu van hai truc ((va hanh) OR (van hanh)) vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((khanh ky) OR (thanh ky)) nang xa hoi. hieu van hai truc ((va hanh) or (van hanh)) vai cua tre*".