Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hang hai » hoang hai, hang tai, thanh hai
hanh hai » thanh hai, nhanh hai, hanh tai
pham duy » pham duc
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
sach ty » sach tu, sach thu, xach tay
duy van » duy vat, dung van

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach y)) nang xa hoi. hieu ve pham duy van ((hanh hai) OR (hang hai)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang xa hoi. hieu ve pham duy van ((hanh hai) OR (hang hai)) su triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach y)) nang xa hoi. hieu ve pham duy van ((hanh hai) OR (hang hai)) su triet*".