Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
va hanh » van hanh, va thanh, va danh
va tinh » may tinh
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
sac ky » cac ky
ve cam » ve cham, ve cac, va cam
ve su » va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sac ky) or (sai ky)) tang xa hoi. hieu ve cam xuc ((va hanh) or (va tinh)) ve su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (sai ky)) tang xa hoi. hieu ve cam xuc ((va hanh) OR (va tinh)) ve su triet.
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (sai ky)) tang xa hoi. hieu ve cam xuc ((va hanh) or (va tinh)) ve su triet*.