Perhaps you should try some spelling variations:
pham chuc » pham huu, kham chua, pham huy
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
hieu vu » hieu va, hieu ve, hieu su
tai cua » thai cua, tai cuc, tri 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 sach ((ky lang) or (ky tang)) xa hoi. hieu vu ((pham chuc) OR (pham duc)) va thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky tang)) xa hoi. hieu vu ((pham chuc) OR (pham duc)) va thanh tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) or (ky tang)) xa hoi. hieu vu ((pham chuc) OR (pham duc)) va thanh tai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) or (ky tang)) xa hoi. hieu vu ((pham chuc) OR (pham duc)) va thanh tai cua triet*.