Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
danh hai » dang hai, lanh hai, manh hai
sinh ty » sinh ly, sinh tu, dinh ty
hai cua » thai cua, dai cua, hoi cua
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
nang ho » nang hoc, nang co, tang ho
va pham » van pham, va phat, va phap
nang o » nang co, nang ro, nang x
sinh y » sinh ly
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: hoc ((sinh ty) OR (sinh y)) ((nang o) or (nang ho)) hoi. lieu va pham thuc va danh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sinh ty) OR (sinh y)) ((nang o) OR (nang ho)) hoi. lieu va pham thuc va danh hai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sinh ty) OR (sinh y)) ((nang o) or (nang ho)) hoi. lieu va pham thuc va danh hai cua te".
• Adding a wildcard symbol may retrieve word variants: hoc ((sinh ty) OR (sinh y)) ((nang o) or (nang ho)) hoi. lieu va pham thuc va danh hai cua te*.