Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dat » thanh san, thanh hai, thanh van
van thanh » ban thanh, van tuan
thi cong » tai cong, thien cong
dat cua » dai cua, day cua, mat cua
duc van » duc va, duc tan, duc manh
lam duc » lam duoc, pham duc, nam duoc
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
sach v » sach va, sach y, sach 2

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 v ((nang xa) OR (lang xa)) hoi. ((lieu va) or (thi cong)) lam duc van thanh dat cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v ((nang xa) OR (lang xa)) hoi. ((lieu va) OR (thi cong)) lam duc van thanh dat cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v ((nang xa) OR (lang xa)) hoi. ((lieu va) or (thi cong)) lam duc van thanh dat cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach v ((nang xa) OR (lang xa)) hoi. ((lieu va) or (thi cong)) lam duc van thanh dat cua triet*.