Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
sach nuoc » sach duoc, cac nuoc, bach tuoc
cua triet » cua viet, su triet, va triet
cap nuoc » dat nuoc
xanh doi » xanh di, thanh doi, tinh doi
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va xanh » va danh, va hanh, va anh
doi cua » dai cua, hoi cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang xa hoi. hieu viec ((sach nuoc) or (cap nuoc)) va xanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu viec ((sach nuoc) OR (cap nuoc)) va xanh doi cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu viec ((sach nuoc) or (cap nuoc)) va xanh doi cua triet*.