Perhaps you should try some spelling variations:
hoc thieu » toc thieu
thuc dung » thuoc dung, thuy dung, tuc dung
dung cong » dung trong
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
tinh dan » trinh dan, tinh da, binh dan
dan thuc » dan toc, am thuc
phan lap » phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (hoc hien)) anh - tinh dan thuc dung cong than phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) anh - tinh dan thuc dung cong than phan lap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) anh - tinh dan thuc dung cong than phan lap*.