Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
hieu van » hieu va, thien van, lieu va
thai cua » than cua, tai cuc, tri cua
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
sai ky » sac ky
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: thu ((sai ky) or (cac ky)) lang xa hoi. hieu van cam duc va hanh thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sai ky) OR (cac ky)) lang xa hoi. hieu van cam duc va hanh thai cua te.
• Adding a wildcard symbol may retrieve word variants: thu ((sai ky) or (cac ky)) lang xa hoi. hieu van cam duc va hanh thai cua te*.