Perhaps you should try some spelling variations:
phan hong » phan cong, pham hong, phan song
thu dich » thu tich, chu dich, thu ich
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu toan » cuu hoan, cua toan, huu toan
toan hoc » toan khoa, van hoc, hoa hoc
hoc phan » hoc dan, hoc pho
hong hoc » thong hoc, dong hoc, hong phuoc
thai van » thi van, thanh van, thai vung
tuan san » luan san, tan san, thuat san
xa thai » ca thai, a thai, da thai
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: thu dich hoc tap, nghien cuu toan hoc phan hong hoc xa thai van ((tuan san) OR (thanh san))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu dich hoc tap, nghien cuu toan hoc phan hong hoc xa thai van ((tuan san) OR (thanh san))".
• Adding a wildcard symbol may retrieve word variants: thu dich hoc tap, nghien cuu toan hoc phan hong hoc xa thai van ((tuan san) OR (thanh san))*.