Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam cao » nam cao, ca cao, cay cao
va hanh » van hanh, va thanh, va danh
sac ky » cac ky
ve cam » ve cham, ve cac, va cam
cao va » cao van, tao va, co va
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sai ky) or (sac ky)) nang xa hoi. hieu ve cam cao va hanh ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sai ky) OR (sac ky)) nang xa hoi. hieu ve cam cao va hanh ((vi cua) OR (di cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sai ky) or (sac ky)) nang xa hoi. hieu ve cam cao va hanh ((vi cua) or (di cua)) triet*.