Perhaps you should try some spelling variations:
trinh nghien » trinh nghe, trinh thiet, trinh dien
trai nghiem » trac nghiem, thi nghiem
thuat sach » thuat lanh, thuat san
nghiem tu » nghiep tu, nghiem su, nghiem te
thu canh » thuc hanh, thu cong, thu ban
tu hoc » te hoc
d hoc » du hoc, ad hoc, de hoc
kinh » dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thuat sach kinh nghiem tu hoc ) or ( thu canh ((trai nghiem) or (trinh nghien)) d hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thuat sach kinh nghiem tu hoc ) OR ( thu canh ((trai nghiem) OR (trinh nghien)) d hoc )).
• Adding a wildcard symbol may retrieve word variants: (( thuat sach kinh nghiem tu hoc ) or ( thu canh ((trai nghiem) or (trinh nghien)) d hoc ))*.