Perhaps you should try some spelling variations:
gianh hai » gianh lai, giang hai, thanh hai
va gianh » va gian, van giang, va giai
tay khao » tham khao, va khao, tay cao
hieu vu » hieu va, hieu ve, hieu su
vu pham » su pham, vi pham, vu kham
te sach » toc sach
ke mang » ke nang, ke trang
ky mang » ky nang, ky dang, ky tang
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky mang) or (ke mang)) tay khao. hieu vu pham duc va gianh hai ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky mang) OR (ke mang)) tay khao. hieu vu pham duc va gianh hai ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sach ((ky mang) or (ke mang)) tay khao. hieu vu pham duc va gianh hai ((cua te) or (cua tu))*.