Perhaps you should try some spelling variations:
trinh van » trinh han, trinh quan, trinh toan
sach tay » xach tay, sach hay, sach tai
sach nay » sach hay, sach vay, sach nang
va trinh » van trinh, va tinh, lap trinh
cua viet » ca viet, hoa viet, cua vat
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
van cua » vang cua, ban cua, dan cua
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach tay) or (sach nay)) lang xa hoi. hieu ve cam xuc va trinh van cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach tay) OR (sach nay)) lang xa hoi. hieu ve cam xuc va trinh van cua viet.
• Adding a wildcard symbol may retrieve word variants: su ((sach tay) or (sach nay)) lang xa hoi. hieu ve cam xuc va trinh van cua viet*.