Perhaps you should try some spelling variations:
thinh tai » chinh tai, trinh tai, thanh tai
hinh tai » chinh tai, hinh thai, hinh bai
nam thuc » nam thuoc, am thuc, nam thu
toc sac » toc sach, toc san, hoc sach
lang xa » dang xay, lang van
lang ha » long ha
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va nam » van nam, ha nam, va nay
sac ky » cac ky, sai ky
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: toc sac ky ((lang xa) or (lang ha)) hoi. hieu va nam thuc va ((hinh tai) or (thinh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky ((lang xa) OR (lang ha)) hoi. hieu va nam thuc va ((hinh tai) OR (thinh tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: toc sac ky ((lang xa) or (lang ha)) hoi. hieu va nam thuc va ((hinh tai) or (thinh tai)) cua te*.