Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va danh, ban hanh
ve cam » ve cham, ve cac, va cam
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
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 sach y nang ma hoi. hieu ve cam xuc ((va hanh) or (va thanh)) ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. hieu ve cam xuc ((va hanh) OR (va thanh)) ((vi cua) OR (di cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. hieu ve cam xuc ((va hanh) or (va thanh)) ((vi cua) or (di cua)) triet*.