Perhaps you should try some spelling variations:
kho lang » kho tang, cho lang, tho lang
lang mai » lang dai, lang hai, lang man
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
sac kho » suc khoe, cac khoi, dac khoa
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va
tu sac » tu sach, tu cac, tu san
xu ban » xuc ban, tu ban, vu ban
vi cua » vai cua, di cua
cua te » cua tu

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 kho lang mai hoi. ((hieu ve) or (hieu van)) chao xu ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac kho lang mai hoi. ((hieu ve) OR (hieu van)) chao xu ban hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac kho lang mai hoi. ((hieu ve) or (hieu van)) chao xu ban hanh vi cua te*.