Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nhanh ha
cua triet » cua viet, su triet, va triet
hanh hai » thanh hai, hang hai, hanh tai
nam thuc » nam thuoc, am thuc, nam thu
te sach » toc sach
hieu he » hieu ve, hiem he, hieu le
lang ha » long ha
su viet » so viet
y lang » o lang, _ lang, tay lang
he nam » ha nam, nghe nam
ha hoi » hoa hoi, ha noi, xa hoi

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 y lang ha hoi. hieu he nam thuc vat ((hanh hai) OR (nhanh hai)) ((cua triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang ha hoi. hieu he nam thuc vat ((hanh hai) OR (nhanh hai)) ((cua triet) OR (su viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang ha hoi. hieu he nam thuc vat ((hanh hai) OR (nhanh hai)) ((cua triet) or (su viet))".
• Adding a wildcard symbol may retrieve word variants: te sach y lang ha hoi. hieu he nam thuc vat ((hanh hai) OR (nhanh hai)) ((cua triet) or (su viet))*.