Perhaps you should try some spelling variations:
van chao » van chat, van hao, van cho
thai cua » than cua, tai cuc, tri cua
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
lang xa » lang ha, dang xay, lang van
sac ky » cac 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: su ((sac ky) or (sai ky)) lang xa hoi. hieu van chao xu ((va hanh) or (va danh)) thai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sai ky)) lang xa hoi. hieu van chao xu ((va hanh) OR (va danh)) thai cua te.
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) or (sai ky)) lang xa hoi. hieu van chao xu ((va hanh) or (va danh)) thai cua te*.