Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
sang kyo » sang tao, dang ky, sang cho
nang cau » nang cao, hang cau, nang dau
thanh va » thanh van, hanh va, thanh ha
sang ky » dang ky, tang ky, bang ky
nam luc » nang luc, nhan luc, nam thuc
luc van » luoc van, luu van, duc van
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((van ky) or (((sang kyo) OR (sang ky)))) nang cau hoi. thien van nam luc van thanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((van ky) OR (((sang kyo) OR (sang ky)))) nang cau hoi. thien van nam luc van thanh va cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((van ky) or (((sang kyo) OR (sang ky)))) nang cau hoi. thien van nam luc van thanh va cua triet".
• Adding a wildcard symbol may retrieve word variants: te ((van ky) or (((sang kyo) OR (sang ky)))) nang cau hoi. thien van nam luc van thanh va cua triet*.