Perhaps you should try some spelling variations:
tinh hoc » sinh hoc, tin hoc, trinh hoa
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
van tai » von tai, van tuan
hoc da » hoc dan, hoc dai, hoc dat
da hoa » da khoa, dai hoa, day hoa
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((tinh hoc) OR (hinh hoc)) tap, nghien cuu mot hoc da hoa hoc xa hoi va van tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((tinh hoc) OR (hinh hoc)) tap, nghien cuu mot hoc da hoa hoc xa hoi va van tai".
• Adding a wildcard symbol may retrieve word variants: toc ((tinh hoc) OR (hinh hoc)) tap, nghien cuu mot hoc da hoa hoc xa hoi va van tai*.