Perhaps you should try some spelling variations:
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
y nang » ky nang, v nang, may nang
ve cam » ve cham, ve cac, va cam
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: su sach ((y nang) OR (ly nang)) xa hoi. hieu ve cam xuc van dich ((vi cua) or (di cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) xa hoi. hieu ve cam xuc van dich ((vi cua) OR (di cua)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ly nang)) xa hoi. hieu ve cam xuc van dich ((vi cua) or (di cua)) viet".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ly nang)) xa hoi. hieu ve cam xuc van dich ((vi cua) or (di cua)) viet*.