Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thu lang » thu hang, phu lang, tho lang
thanh vi » hanh vi, thanh va, thanh ve
thu bang » thu ban, thu hang, chu bang
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu van
hieu va » lieu va, hieu qua
vi cua » vai cua, di cua
cua te » cua tu

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 ((thu lang) or (thu bang)) xa hoi. ((hieu ve) OR (hieu va)) nham thuc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((thu lang) OR (thu bang)) xa hoi. ((hieu ve) OR (hieu va)) nham thuc va thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((thu lang) or (thu bang)) xa hoi. ((hieu ve) OR (hieu va)) nham thuc va thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ((thu lang) or (thu bang)) xa hoi. ((hieu ve) OR (hieu va)) nham thuc va thanh vi cua te*.