Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam loc » cam lo
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
loc va » hoc va, luc va
vi cua » vai cua
di cua » doi cua, de cua, do 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 sac ky nang xa hoi. hieu ve cam loc va hanh ((vi cua) or (((di cua) OR (dai cua)))) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ve cam loc va hanh ((vi cua) OR (((di cua) OR (dai cua)))) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ve cam loc va hanh ((vi cua) or (((di cua) OR (dai cua)))) triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ve cam loc va hanh ((vi cua) or (((di cua) OR (dai cua)))) triet*.