Perhaps you should try some spelling variations:
nhanh nang » nhanh lang, nhanh mang, nhanh quang
hinh hoc » sinh hoc, tin hoc, benh hoc
nang doc » nang luc
van phan » van phong, van thanh, luan phan
tu hinh » tu minh, tu hanh, su hinh
mot hoc » mon hoc, mo hoc, bot hoc
hoi van » hoi va, hoi dan, hai van
phan va » phan van, nhan va, han va
doc xa » duoc xa, hoc xa, do xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hinh hoc tap, nghien cuu ((mot hoc) or (mot goc)) nhanh nang doc xa hoi van phan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hinh hoc tap, nghien cuu ((mot hoc) OR (mot goc)) nhanh nang doc xa hoi van phan va.
• Adding a wildcard symbol may retrieve word variants: tu hinh hoc tap, nghien cuu ((mot hoc) or (mot goc)) nhanh nang doc xa hoi van phan va*.