Perhaps you should try some spelling variations:
thanh gi » thanh nghi, thanh gian, thanh hai
va thanh » gia thanh, ban thanh, va tinh
cham luc » cham soc, nhan luc, cham cuu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
la tren » loai tren, dua tren, dat tren
lang xa » lang ha, dang xay, lang van
sac ky » sai ky
luc va » duc va, tuc va, loc va
gi la » gi lam, gia la, gio la

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) OR (cac ky)) ((lang xa) or (nang x)) hoi. hieu ve cham luc va thanh gi la tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) ((lang xa) OR (nang x)) hoi. hieu ve cham luc va thanh gi la tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) ((lang xa) or (nang x)) hoi. hieu ve cham luc va thanh gi la tren".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) ((lang xa) or (nang x)) hoi. hieu ve cham luc va thanh gi la tren*.