Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
truong va » truong dai, truong cao, truong dao
trung ha » trung hoc, trung tam, trung cap
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach vay
sach 2 » sach y
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam

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 v) or (sach 2)) nang xa hoi. hieu ve cam ((trung ha) or (truong va)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach v) OR (sach 2)) nang xa hoi. hieu ve cam ((trung ha) OR (truong va)) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach v) or (sach 2)) nang xa hoi. hieu ve cam ((trung ha) or (truong va)) hanh vi cua triet*.